In Sept 2019 ISC were awarded a contract to protect the recently installed Rockabill Fibre Optic cable over following four crossings in the Irish Sea:-
Gas pipeline crossing no:1 Install 10 x 4 ton concrete mattresses 65m water depth
Gas pipeline crossing no:2 Install 17 x 4 ton concrete mattresses 91m water depth
Power cable crossing Install 10 x 4 ton concrete mattresses 65m water depth
Power cable crossing Install 11 x 4 ton concrete mattresses 40m water depth
ISC chartered the DP2 multicat ”Roxanne Z” from Jifmar for this contract and mobbed the vessel in Holyhead Port and on completion demobbed vessel in Dublin Port.
Despite losing 5 days due to bad weather, project was completed within 18 days during Sept 2019.